Troubleshooting DM50NTE
20
8 Troubleshooting
Fault Possible cause Suggested remedy
Device does not
function, Power Status
LED does not glow.
No voltage present in
the AC voltage socket.
Try using another plug socket.
The mains adapter is
defective.
This can only be repaired by an
authorised repair centre.
The device does not
cool (plug is inserted,
Power Status LED
glows).
The cooling element is
defective.
This can only be repaired by an
authorised repair centre.
The Error LED flashes
once per second.
Temperature sensor is
defective.
This can only be repaired by an
authorised repair centre.
The Error LED flashes
twice per second.
The fan is defective. This can only be repaired by an
authorised repair centre.
Device does not cool
sufficiently, Power
Status LED glows, Error
LED does not glow.
The cooling element is
defective.
This can only be repaired by an
authorised repair centre.
Poor ventilation Check the ventilation.
Clean the filter underneath the device.
DM50NTE-IO-16s.book Seite 20 Dienstag, 28. Februar 2017 3:33 15